Fireproof door leaf and manufacturing method thereof

Abstract

The invention relates to a fireproof door leaf and a manufacturing method of the fireproof door leaf. The fireproof door leaf comprises a fireproof door core, two decoration panels and a plurality of solid wood sealing edges. The solid wood sealing edges and the side edges of the fireproof door core are bonded through fireproof glue. The two decoration panels are located on the two opposite faces of the fireproof door core respectively, the decoration panels are bonded with the fireproof door core through fireproof glue, and the door core is of a mixed curing structure of magnesium phosphate and a curing agent or of a curing structure formed by foaming the magnesium phosphate and the curing agent through a foaming agent. The manufacturing method of the fireproof door leaf comprises the following steps that the side edge of the fireproof door core is coated with fireproof glue, and the solid wood sealing edge is bonded to the side edge of the fireproof door core through the fireproof glue and pressed together; the two opposite faces of the fireproof door core are coated with fireproof glue, and the pair of decoration panels are bonded to the two opposite faces of the fireproof door core in the thickness direction through the fireproof glue and pressed together. According to the scheme provided by the invention, the overall weight can be reduced, and the risk of fire spurting during a fire disaster is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of fireproof doors, and in particular to a fireproof door leaf and a method for manufacturing the fireproof door leaf. Background Art

[0002] With the development of society, people's requirements for doors are getting higher and higher, and fire doors have appeared. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. According to the material, they include wooden fire doors, steel fire doors and steel-wood fire doors.

[0003] Fire doors generally include door frames and fire door leaves. The fire door leaf structure in the related art is usually composed of a five-layer structure, including a double-layer panel, a double-layer fireproof board and a fire door core. Among them, the fire door leaf is relatively thick as a whole, and the keels around the fire door core are a separate splicing structure from the fire door core. The keels around are combined to form a keel frame, and the size of the keel frame cannot be adjusted. In order to install the fire door core in the middle of the keel frame, the fire door core must be smaller than the empty part of the keel frame. After the fire door core is installed in the middle of the keel frame, the gap between the fire door core and the keel frame needs to be filled.

[0004] The fireproof door leaf in the related technology has a gap between the keel and the fireproof door core because the fireproof door core is separated from the four-side keels. When a fire occurs, the gap between the keel and the fireproof door core is prone to the risk of fire jumping, resulting in reduced fireproof performance and affecting home safety. Summary of the invention

[0005] In order to solve or partially solve the problems existing in the related technology, the present application provides a fireproof door leaf and a method for manufacturing a fireproof door leaf, which can realize the one-piece molding of the door core without a keel structure, reduce the overall weight of the fireproof door leaf and avoid the risk of fire jumping from gaps during a fire, improve the fireproof performance of the fireproof door leaf, and better protect home safety.

[0006] In a first aspect, the present application provides a fireproof door leaf, comprising a fireproof door core, two decorative panels and a plurality of solid wood edge bandings; the solid wood edge bandings are bonded to the side edges of the fireproof door core by means of fireproof glue, and the solid wood edge bandings surround the fireproof door core in a circle; the two decorative panels are respectively located on two opposite sides of the fireproof door core in a thickness direction, and the decorative panels are bonded to the fireproof door core by means of fireproof glue; wherein the fireproof door core is a mixed solidified structure of magnesium phosphate and a curing agent, or is a solidified structure of magnesium phosphate and a curing agent foamed by a foaming agent.

[0007] Furthermore, the fireproof door core includes a door lock mounting plate and multiple door core plates, the door lock mounting plate and the multiple door core plates are combined to form a square plate, two adjacent door core plates are bonded by fireproof glue, and the door lock mounting plate and the door core plates are bonded by fireproof glue.

[0008] Furthermore, the density of the door core board is 390-550 kg / m 3 .

[0009] Furthermore, the material of the door core board includes magnesium phosphate, a foaming agent and a curing agent, wherein the magnesium phosphate is 35 to 65 parts by weight.

[0010] Furthermore, the fireproof door leaf also includes an edge banding strip, and the edge banding strip is attached to a side of the solid wood edge banding facing away from the fireproof door core.

[0011] Furthermore, the sum of the thickness of the fire door core and the thickness of the decorative panel is 38-42 mm.

[0012] Furthermore, the solid wood edge banding comprises a plurality of solid wood boards, the plurality of solid wood boards are stacked and arranged, and two adjacent solid wood boards are bonded to each other.

[0013] A second aspect of the present application provides a method for manufacturing a fireproof door leaf, which comprises the following steps:

[0014] Apply fireproof glue on the side of the fireproof door core, adhere the solid wood edge seal to the side of the fireproof door core through the fireproof glue, and press the fireproof door core and the solid wood edge seal together;

[0015] Fireproof glue is applied on two opposite sides of the fireproof door core in the thickness direction, a pair of decorative panels are respectively adhered to two opposite sides of the fireproof door core in the thickness direction by the fireproof glue, and the fireproof door core and the two decorative panels are pressed together.

[0016] Furthermore, the process of applying fireproof glue on the side of the fireproof door core, gluing the solid wood edge banding to the side of the fireproof door core with the fireproof glue, and pressing the fireproof door core and the solid wood edge banding together also includes cutting the door core material, including obtaining a door core board and a solid wood edge banding; wherein the door core board includes at least one door core board cut according to the target shape of the fireproof door core.

[0017] Furthermore, the door core material also includes a door lock mounting plate, fireproof glue is applied on the side of the fireproof door core, the solid wood edge sealing is adhered to the side of the fireproof door core with the fireproof glue, and the fireproof door core and the solid wood edge sealing are pressed together, including bonding two adjacent door core panels with fireproof glue; bonding the door core panel and the door lock mounting plate with fireproof glue; applying fireproof glue on the side of the fireproof door core, and adhering the solid wood edge sealing to the side of the fireproof door core with fireproof glue; and pressing the door core panel, the solid wood edge sealing and the door lock mounting plate together by a frame assembly machine to form the fireproof door core.

[0018] Furthermore, after the door core plate and the door lock mounting plate are pressed together, the two opposite sides of the fire door core in the thickness direction are smoothed so that the surface of the door core plate is flush with the surface of the door lock mounting plate.

[0019] The technical solution provided by this application may have the following beneficial effects:

[0020] The fireproof door leaf provided by the technical solution of the present application comprises a fireproof door core and two decorative panels, and only requires a three-layer structure. Compared with the fireproof door leaf composed of a five-layer structure in the related art, the structure is simpler and the weight is lighter. The present application bonds two decorative panels to the two opposite sides of the fireproof door core in the thickness direction, so that the fireproof door leaf has only two decorative panels and the fireproof door core in the thickness direction, thereby reducing the overall thickness of the fireproof door leaf and reducing the overall weight of the fireproof door leaf. Compared with the door core in the related art that requires a keel structure to be set, the present application sets a plurality of solid wood edge sealings around the side of the fireproof door core and bonds them to the fireproof door core, thereby avoiding the use of keels, realizing one-piece molding of the door core without keels, and reducing the overall weight of the fireproof door leaf. The solid wood edge sealing and the fireproof door core can be tightly combined by fireproof glue to avoid the formation of gaps between the solid wood edge sealing and the fireproof door core. In the event of a fire, there is no risk of fire jumping between the solid wood edge sealing and the fireproof door, thereby improving the fireproof performance of the fireproof door leaf and better protecting home safety.

[0021] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and other objects, features and advantages of the present application will become more apparent by describing in more detail exemplary embodiments of the present application in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present application.

[0023] Figure 1 It is a schematic diagram of the structure of a fire door leaf shown in an embodiment of the present application;

[0024] Figure 2 It is a structural schematic diagram of a fire door core shown in an embodiment of the present application;

[0025] Figure 3 It is a combined diagram of a fire door core and solid wood edge banding shown in an embodiment of the present application;

[0026] Figure 4 is a separation diagram of a fire door core and a decorative panel shown in an embodiment of the present application;

[0027] Figure 5 This is a separation diagram of a fire door core and an edge banding strip shown in an embodiment of the present application;

[0028] Figure 6 It is a first flow chart of a method for manufacturing a fireproof door leaf shown in an embodiment of the present application;

[0029] Figure 7 is a second flow chart of a method for manufacturing a fireproof door leaf shown in an embodiment of the present application;

[0030] Figure 8 It is a first flow chart of a method for manufacturing a fireproof door leaf shown in an embodiment of the present application;

[0031] Fig. 9 This is a second flow chart of the method for manufacturing a fireproof door leaf shown in an embodiment of the present application.

[0032] Figure numerals: fireproof door core 1; door lock mounting plate 11; door core plate 12; decorative panel 2; solid wood edge banding 3; edge banding strip 4. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present application more thorough and complete, and to fully convey the scope of the present application to those skilled in the art.

[0034] It should be understood that although the terms "first", "second", "third", etc. may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0035] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] The fireproof door leaf in the related technology has a gap between the keel and the fireproof door core because the fireproof door core is separated from the four-side keels. When a fire occurs, the gap between the keel and the fireproof door core is prone to the risk of fire jumping, resulting in reduced fireproof performance and affecting home safety.

[0038] In response to the above problems, the embodiments of the present application provide a fireproof door leaf and a method for manufacturing a fireproof door leaf, which can realize the one-piece molding of the door core without a keel structure, reduce the overall weight of the fireproof door leaf and avoid the risk of fire in the event of a fire, improve the fireproof performance of the fireproof door leaf, and better protect home safety.

[0039] The technical solution of the embodiments of the present application is described in detail below with reference to the accompanying drawings.

[0040] Figure 1 It is a schematic diagram of the structure of a fireproof door leaf shown in an embodiment of the present application.

[0041] See also Figure 1 The fireproof door leaf comprises a fireproof door core 1, two decorative panels 2 and a plurality of solid wood edge bandings 3.

[0042] The fire door core 1 is in the shape of a rectangular plate, and the solid wood edge sealing 3 is bonded to the side of the fire door core 1 by fireproof glue, wherein the side of the fire door core 1 is the two opposite sides in the length direction and the two opposite sides in the width direction of the fire door core 1, and the solid wood edge sealing 3 surrounds the fire door core 1 in a circle.

[0043] Preferably, there are four solid wood edge bands 3, which are in the shape of long strips, and the four solid wood edge bands 3 form a rectangular frame. The fireproof door core 1 has four sides, each side corresponds to a solid wood edge band 3, and each side is bonded to a solid wood edge band 3 by fireproof glue. The ends of two adjacent solid wood edge bands 3 may be bonded by glue, or may not need to be bonded.

[0044] The fireproof door leaf of the present application can be mainly supported by the fireproof door core 1. The solid wood edge banding 3 can also be used to install hinges, so that the fireproof door leaf can be connected to the door frame through the hinges.

[0045] See also Figure 1 , two decorative panels 2 are respectively located on two opposite sides of the fire door core 1 in the thickness direction, the fire door core 1 is sandwiched between the two decorative panels 2, and the decorative panel 2 is bonded to the fire door core 1 by fireproof glue. The decorative panel 2 is in the shape of a rectangular plate, and the shape of the decorative panel 2 is the same as the shape of the fire door core 1. The decorative panel 2 can play a decorative role for the fire door leaf. The decorative panel 2 can be made of waterproof material, and the decorative panel 2 can prevent liquid from corroding the fire door core 1. The fire door core 1 is a mixed solidified structure of magnesium phosphate and a curing agent, or a solidified structure of magnesium phosphate and a curing agent after foaming by a foaming agent, thereby ensuring that the fire door core 1 has sufficient structural strength while achieving fire prevention.

[0046] In some embodiments, the size of the side of the decorative panel 2 facing the fire door core 1 is the same as the size of the side of the fire door core 1 facing the decorative panel 2 , and the solid wood edge banding 3 surrounds the fire door core 1 and the decorative panel 2 in the middle.

[0047] In some embodiments, the area of ​​the side of the decorative panel 2 facing the fire door core 1 is larger than the area of ​​the side of the fire door core 1 facing the decorative panel 2 , and the solid wood edge banding 3 and the fire door core 1 are sandwiched between the two decorative panels 2 .

[0048] The present application bonds two decorative panels 2 to two opposite sides of the fire door core 1 in the thickness direction, so that the fire door leaf has only two decorative panels 2 and the fire door core 1 in the thickness direction, thereby reducing the overall thickness of the fire door leaf and reducing the overall weight of the fire door leaf. Compared with traditional fire door leaves, the overall thickness of the fire door leaf of the present application is reduced by 20-35%, and the weight of the fire door leaf is reduced by 20-35%. The present application arranges multiple solid wood edge bands 3 around the side of the fire door core 1 and bonds them to the fire door core 1, avoiding the use of keels and reducing the overall weight of the fire door leaf. The solid wood edge bands 3 and the fire door core 1 can be tightly combined by fireproof glue to avoid the formation of gaps between the solid wood edge bands 3 and the fire door core 1. In the event of a fire, there is no risk of fire jumping between the solid wood edge bands 3 and the fire door.

[0049] Figure 2It is a structural schematic diagram of a fire door core shown in an embodiment of the present application; Figure 3 It is a combination diagram of a fireproof door core and solid wood edge banding shown in an embodiment of the present application.

[0050] See also Figure 1-3 In some embodiments, the fireproof door core 1 includes a door lock mounting plate 11 and a plurality of door core plates 12. The door lock mounting plate 11 is used to install a door lock; the door lock mounting plate 11 and a plurality of door core plates 12 are combined to form a square plate, and two adjacent door core plates 12 are bonded by fireproof glue, and the door lock mounting plate 11 and the door core plates 12 are bonded by fireproof glue. The number of door core plates 12 is not limited, and the shape and size of the door core plates 12 are not limited, as long as they can be assembled into a square plate shape with the door lock mounting plate 11. The present application makes the manufacture of the fireproof door core 1 more flexible by designing the fireproof door core 1 as a structure formed by splicing a door lock mounting plate 11 and a plurality of door core plates 12, and facilitates the manufacture of fireproof door cores 1 of various sizes.

[0051] In some embodiments, the fireproof door core 1 includes a door lock mounting plate 11 and a door core plate 12. The door core plate 12 is an integrated structure, and a notch is provided near the side of the door core plate 12, and the notch is the same size as the door lock mounting plate 11. The door lock mounting plate 11 is embedded in the notch, and the gap between the door lock mounting plate 11 and the door core plate 12 is filled with fireproof glue. By designing the door core plate 12 as an integrated structure, the processing steps of the fireproof door core 1 are reduced, and it is convenient for the staff to make the fireproof door core 1. The decorative panel 2 can cover the door lock mounting plate 11 and the door core plate 12, and the decorative panel 2 can cover the solidified fireproof glue between the door core plate 12 and the door core plate 12, and can also cover the solidified fireproof glue between the door core plate 12 and the door lock mounting plate 11, so that the fireproof door leaf is more beautiful as a whole, and liquid corrosion is prevented. 12, the door lock mounting plate 11 and the solidified fireproof glue.

[0052] See also Figure 1 and Figure 2 The density of the door core board 12 is 390-550 kg / m 3 Preferably, the density of the door core board 12 is 400 kg / m 3 Since the weight of the door core board 12 accounts for the largest proportion of the weight of the fireproof door leaf, the density of the door core board 12 is controlled within 390-550 kg / m 3 , which can effectively reduce the overall weight of the fire door leaf and make it more convenient for users to use.

[0053] The material of the door core board 12 includes magnesium phosphate, foaming agent and curing agent, wherein the magnesium phosphate is 35 to 65 parts by weight, and the magnesium phosphate can be prepared by reacting orthophosphoric acid with magnesium material, and the magnesium material can be magnesium oxide, magnesium hydroxide, lightly burned magnesia, etc. Magnesium phosphate material can prevent the spread of flames, can withstand high temperatures above 1000°C, and reach the fireproof and non-combustible level A1, and magnesium phosphate is light in weight. The door core board 12 made of magnesium phosphate can effectively reduce the overall density of the door core board 12. In addition, the door core board 12 made of magnesium phosphate also has sufficient structural strength. The door core board 12 of the present application has been tested for fire resistance performance. The thermal conductivity of the door core board 12 is 0.095 to 0.107 W / m×k, and the fire resistance time is 0.5 to 1.5h. It does not contain materials with high chloride ion content such as magnesium chloride, magnesium sulfate, and perlite, and is formaldehyde-free and non-toxic.

[0054] Figure 4 This is a separation diagram of the fire door core and the decorative panel shown in the embodiment of the present application.

[0055] See also Figure 3 and Figure 4 The sum of the thickness of the fire door core 1 and the thickness of the decorative panel 2 is 38 to 42 mm. Preferably, the sum of the thickness of the fire door core 1 and the thickness of the decorative panel 2 is 40 mm. Compared with the existing fire door leaf, the overall thickness of the fire door leaf of the present application is reduced by 20 to 35%, and the weight of the fire door leaf is reduced by 20 to 35%.

[0056] Figure 5 This is a separation diagram of the fire door core and edge banding shown in an embodiment of the present application.

[0057] See also Figure 4-5 The fireproof door leaf also includes an edge banding strip 4, which is attached to the side of the solid wood edge banding 3 facing away from the fireproof door core 1. The edge banding strip 4 can decorate the solid wood edge banding 3, and the edge banding strip 4 can also protect the solid wood edge banding 3 to prevent the solid wood edge banding 3 from being corroded. The solid wood edge banding 3 includes a plurality of solid wood boards, which are stacked and arranged, and two adjacent solid wood boards are bonded to each other by glue. The solid wood edge banding 3 can be plywood. Such a design can reduce the material cost of the solid wood edge banding 3, and reduce the weight of the solid wood edge banding 3 while ensuring that the solid wood edge banding 3 has sufficient strength.

[0058] Corresponding to the aforementioned application function realization device embodiment, the present application also provides a method for manufacturing a fireproof door leaf and a corresponding embodiment.

[0059] Figure 6 It is a first flow chart of a method for manufacturing a fireproof door leaf shown in an embodiment of the present application; Figure 8 It is a first flow chart of the method for manufacturing a fireproof door leaf shown in an embodiment of the present application.

[0060] See also Figure 6 and Figure 8 The method for manufacturing a fireproof door leaf provided in the present application comprises the following steps:

[0061] S601, apply fireproof glue on the side of the fireproof door core 1, adhere the solid wood edge sealing 3 to the side of the fireproof door core 1 through the fireproof glue, and press the fireproof door core 1 and the solid wood edge sealing 3 together.

[0062] The side edges of the fire door core 1 are the two opposite sides in the length direction and the two opposite sides in the width direction of the fire door core 1. The high-frequency frame assembly machine presses the fire door core 1 and the solid wood edge banding 3 together, and waits for the fireproof glue to solidify, so that the fire door core 1 and the solid wood edge banding 3 are firmly fixed together. The present application arranges multiple solid wood edge bandings 3 around the side edges of the fire door core 1 and bonds them to the fire door core 1, avoiding the use of keels and reducing the overall weight of the fire door leaf. The solid wood edge banding 3 and the fire door core 1 are tightly combined by the fireproof glue to avoid the formation of gaps between the solid wood edge banding 3 and the fire door core 1. In the event of a fire, there is no risk of fire jumping between the solid wood edge banding 3 and the fire door.

[0063] S602, apply fireproof glue on two opposite sides of the fireproof door core 1 in the thickness direction, adhere the two decorative panels 2 to two opposite sides of the fireproof door core 1 in the thickness direction with the fireproof glue, and press the fireproof door core 1 and the two decorative panels 2 together.

[0064] Among them, see Figure 6 As shown, a high-frequency frame assembly machine can be used to press the fire door core 1 and the two decorative panels 2 together, and the fireproof glue is allowed to solidify so that the fire door core 1 and the decorative panels 2 are firmly fixed together.

[0065] Figure 7 is a second flow chart of a method for manufacturing a fireproof door leaf shown in an embodiment of the present application; Fig. 9 This is a second flow chart of the method for manufacturing a fireproof door leaf shown in an embodiment of the present application.

[0066] See also Figure 7 and Fig. 9 The method for manufacturing a fireproof door leaf provided in the present application comprises the following steps:

[0067] S701, cutting door core materials, including obtaining a door core board 12, a solid wood edge banding 3 and a door lock installation board 11.

[0068] Among them, the door core materials can be prepared according to the production requirements, including preparing the door core board 12, the solid wood edge banding 3 and the door lock installation plate 11.

[0069] Among them, at least one door core panel 12 can be cut out from the raw material of the door core panel 12 according to the target shape and target size of the fire-proof door core.

[0070] The shapes of the door core plates 12 can be seen in Figure 2 The shape of the door core board 12 shown in FIG.

[0071] S702, lay the door core board 12, the solid wood edge banding 3 and the door lock installation board 11 flat in the high-frequency frame assembly machine according to the target shape of the fire door core 1, and bond the door lock installation board 11 and the door core board 13 with fireproof glue; wherein the solid wood edge banding 3 surrounds the fire door core 1 in a circle, and bonds the solid wood edge banding 3 and the side of the fire door core 1 with fireproof glue; and press the door core board 13, the solid wood edge banding 3 and the door lock installation board 11 into the fire door core 1 through the high-frequency frame assembly machine.

[0072] In some embodiments, the number of the door core board 12 is one. The staff cuts the raw material of the door core board 12 into a door core board 12 with the same size as the required fire door core 1 according to the required size of the fire door core 1, and then cuts a notch at the corresponding position of the door core board 12 according to the position where the door lock is to be installed, so that the notch can be embedded in the door lock installation plate 11; see Figure 5 and Figure 7 As shown, the door core board 12, the solid wood edge banding 3 and the door lock mounting plate 11 are laid flat in the high-frequency frame assembly machine according to the target shape of the fireproof door core 1, and the notch is embedded in the door lock mounting plate 11. The gap between the door lock mounting plate 11 and the door core board 12 is filled with fireproof glue. The solid wood edge banding 3 is bonded to the side of the fireproof door core 1 by fireproof glue; the door core board 13, the solid wood edge banding 3 and the door lock mounting plate 11 are pressed into the fireproof door core 1 by the high-frequency frame assembly machine.

[0073] See also Figure 2 and Figure 7 In some embodiments, the number of door core panels 12 is more than two. The staff calculates the required number and size of the door core panels 12 according to the target shape of the fire door core 1 to ensure that the door core panels 12 and the door lock mounting plate 11 can form the target shape of the fire door core 1 when they are assembled together. The shapes of the door core panels 12 can be referred to in Figure 2 ; Then cut the raw material of the door core board 12 into more than two door core boards 12; lay the door core board 12, the solid wood edge banding 3 and the door lock installation board 11 flat in the high-frequency frame assembly machine according to the target shape of the fireproof door core 1, and fill the gap between the door lock installation board 11 and the door core board 12 with fireproof glue. ; Bond the solid wood edge banding 3 to the side of the fireproof door core 1 with fireproof glue; Press the door core board 13, the solid wood edge banding 3 and the door lock installation board 11 into the fireproof door core 1 through the high-frequency frame assembly machine.

[0074] S703, apply fireproof glue on two opposite sides of the fireproof door core 1 in the thickness direction, stick two decorative panels 2 on two opposite sides of the fireproof door core 1 in the thickness direction with the fireproof glue, press the fireproof door core 1 and the two decorative panels 2 together with a high-frequency frame assembly machine to obtain a fireproof door leaf.

[0075] In order to ensure that the decorative panel 2 can better fit with the fire door core 1, the two opposite sides of the fire door core 1 in the thickness direction are smoothed so that the surface where the door core board 12 fits with the decorative panel 2 is flush with the surface where the door lock installation plate 11 fits with the decorative panel 2; see Figure 6 As shown, fireproof glue is applied on two opposite sides of the fire door core 1 in the thickness direction, two decorative panels 2 are respectively adhered to two opposite sides of the fire door core 1 in the thickness direction by the fireproof glue, and the fire door core 1 and the two decorative panels 2 are pressed together by a high-frequency frame assembly machine to obtain a fire door leaf.

[0076] S704. The fireproof door leaf obtained after pressing is edge-sealed on all sides.

[0077] Specifically, glue is applied on the side of the solid wood edge banding 3 facing away from the fire door core 1, and the edge banding strip 4 is attached to the side of the solid wood edge banding 3 facing away from the fire door core 1, and the edge banding strip 4 covers the gap between the solid wood edge banding 3 and the decorative panel 2, wherein the edge banding strip 4 corresponds to the solid wood edge banding 3 one by one.

[0078] As can be seen from this embodiment, the present application achieves this by bonding two decorative panels 2 to two opposite sides of the fire door core 1 in the thickness direction, so that the fire door leaf has only two decorative panels 2 and the fire door core 1 in the thickness direction, thereby reducing the overall thickness of the fire door leaf and also reducing the overall weight of the fire door leaf; compared with the related art that requires a keel structure to be set for the door core, the present application sets a plurality of solid wood edge bandings around the side edges of the fire door core 1 and bonds them to the fire door core 1, thereby avoiding the use of keels, realizing one-piece molding of the door core without keels, and also reducing the overall weight of the fire door leaf, and the solid wood edge banding 3 and the fire door core 1 can be tightly combined with fireproof glue to avoid the formation of gaps between the solid wood edge banding 3 and the fire door core 1. In the event of a fire, there will be no risk of fire jumping between the solid wood edge banding 3 and the fire door core 1, thereby improving the fireproof performance of the fire door leaf and better protecting home safety.

[0079] The scheme of the present application has been described in detail above with reference to the accompanying drawings. In the above embodiments, the descriptions of the various embodiments have their own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments. Those skilled in the art should also be aware that the actions and modules involved in the specification are not necessarily required for the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application can be adjusted in order, merged and deleted according to actual needs, and the modules in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0080] The embodiments of the present application have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A fireproof door leaf, characterized in that: include: Fire-rated door core, two decorative panels and multiple solid wood edges; The solid wood edge sealing is bonded to the side of the fireproof door core by fireproof glue, and the solid wood edge sealing surrounds the fireproof door core in a circle; The two decorative panels are respectively located on two opposite sides of the fire door core in the thickness direction, and the decorative panels are bonded to the fire door core by fireproof glue; The fireproof door core is a mixed solidified structure of magnesium phosphate and a curing agent, or a solidified structure of magnesium phosphate and a curing agent foamed by a foaming agent.

2. The fireproof door leaf according to claim 1, characterized in that: The fireproof door core includes a door lock mounting plate and a plurality of door core plates. The door lock installation plate and the plurality of door core plates are combined to form a square plate shape, two adjacent door core plates are bonded together by fireproof glue, and the door lock installation plate and the door core plates are bonded together by fireproof glue.

3. The fireproof door leaf according to claim 2, characterized in that: The density of the door core board is 390-550 kg / m 3 .

4. The fireproof door leaf according to claim 2, characterized in that: The material of the door core plate includes magnesium phosphate, a foaming agent and a curing agent, wherein the magnesium phosphate accounts for 35 to 65 parts by weight.

5. The fireproof door leaf according to claim 1, characterized in that: The fireproof door leaf also includes an edge banding strip, which is attached to a side of the solid wood edge banding facing away from the fireproof door core.

6. The fireproof door leaf according to claim 1, characterized in that: The sum of the thickness of the fireproof door core and the thickness of the decorative panel is 38-42 mm.

7. The fireproof door leaf according to claim 1, characterized in that: The solid wood edge banding comprises a plurality of solid wood boards, the plurality of solid wood boards are stacked and arranged, and two adjacent solid wood boards are bonded to each other.

8. A method for manufacturing a fireproof door leaf, characterized in that: include: Apply fireproof glue on the side of the fireproof door core, stick the solid wood edge seal to the side of the fireproof door core through the fireproof glue, and press the fireproof door core and the solid wood edge seal together; Fireproof glue is applied on two opposite sides of the fireproof door core in the thickness direction, the two decorative panels are respectively adhered to two opposite sides of the fireproof door core in the thickness direction by the fireproof glue, and the fireproof door core and the two decorative panels are pressed together.

9. The method for manufacturing a fireproof door leaf according to claim 8, characterized in that: Before applying fireproof glue on the side of the fireproof door core, gluing the solid wood edge seal to the side of the fireproof door core through the fireproof glue, and pressing the fireproof door core and the solid wood edge seal together, the method further includes: Cutting door core materials, including obtaining door core boards and solid wood edge banding; The door core panel includes at least one door core panel cut out according to a target shape of the fireproof door core.

10. The method for manufacturing a fireproof door leaf according to claim 9, characterized in that: The door core material also includes a door lock mounting plate, fireproof glue is applied to the side of the fireproof door core, the solid wood edge seal is adhered to the side of the fireproof door core by the fireproof glue, and the fireproof door core and the solid wood edge seal are pressed together, including: Bonding two adjacent door core panels with fireproof glue; Bonding the door core plate and the door lock mounting plate by using fireproof glue; Apply fireproof glue on the side of the fireproof door core, and stick the solid wood edge sealing to the side of the fireproof door core through the fireproof glue; The door core board, the solid wood edge banding and the door lock installation plate are pressed together by a frame assembly machine to form the fireproof door core.

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